#define _CRT_SECURE_NO_WARNINGS 1

#include<stdio.h>
int main()
{
    double a = 0;
    char m = '0';
    double b = 0;
    scanf("%lf%c%lf", &a, &m, &b);
    if (m == '+')
        printf("%.4f+%.4f=%.4f\n", a, b, a + b);
    else if (m == '-')
        printf("%.4f-%.4f=%.4f\n", a, b, a - b);
    else if (m == '*')
        printf("%.4f*%.4f=%.4f\n", a, b, a * b);
    else if (m == '/')
    {
        if (b == 0)
        {
            printf("Wrong!Division by zero!\n");
        }
        else {
            printf("%.4f/%.4f=%.4f\n", a, b, a / b);
        }
    }
    else {
        printf("Invalid operation!\n");
    }

    return 0;
}